Market Execution – opening an order at the current market price. Most of the popular brokers at the moment use this execution mode, in practice it is better than Instant execution, since it allows you to avoid requotes, your order is executed at the price you enter before opening an order.
Please note that when buying a financial asset, a Forex trade is opened at the ask price (ask price), and closing is a sale at the bid price (offer price).
In order to see the ask price on the chart, press F8 and check the ask parameter.